My Customized Parametric Golden Spiral Fan Duct v0.1

thingiverse

A personalized adaptation of http://www.thingiverse.com/thing:236144 was made using the Customizer! (http://www.thingiverse.com/apps/customizer/run?thing_id=236144). For this specific design, the ball radius is 0.1, wall thickness is .9, perimeter extrusion width is .4, screw distance is 32, mount side is 40, direction is -1, mount height is 5, fan diameter is 40, corner radius is 5, ball inset is 0, $fn is 24, fins are 5, duct height is 10, scale factor is 10, phi is 0.618034, screw diameter is 2.8, and layer height is .3.